What others with cam designs totally different from any other doesn`t have any application to your engine.

What is your engine, induction lengths, use, cams installed, VVT or not, these are the factors that determine where to set cams.
As I posted Stock Alfa cams have excessive overlap at 102/102 if that`s what you have.

It`s X-mas -1 and I`m bored so here`s some info

Here`s the Best of Alfa`s production cams the 10548-01 and
Ed`s current cams in red Intake/exh